Base | Representation |
---|---|
bin | 11011111100111000… |
… | …010100000100101101 |
3 | 2212110121200010120112 |
4 | 123330320110010231 |
5 | 442431140040433 |
6 | 21442034225405 |
7 | 2111510253602 |
oct | 337470240455 |
9 | 85417603515 |
10 | 30012424493 |
11 | 1180125a807 |
12 | 5997125265 |
13 | 2aa3b2537c |
14 | 1649d606a9 |
15 | ba9c80348 |
hex | 6fce1412d |
30012424493 has 4 divisors (see below), whose sum is σ = 30022536060. Its totient is φ = 30002312928.
The previous prime is 30012424489. The next prime is 30012424511. The reversal of 30012424493 is 39442421003.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4134232804 + 25878191689 = 64298^2 + 160867^2 .
It is a cyclic number.
It is not a de Polignac number, because 30012424493 - 22 = 30012424489 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30012424193) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051330 + ... + 5057267.
It is an arithmetic number, because the mean of its divisors is an integer number (7505634015).
Almost surely, 230012424493 is an apocalyptic number.
It is an amenable number.
30012424493 is a deficient number, since it is larger than the sum of its proper divisors (10111567).
30012424493 is a wasteful number, since it uses less digits than its factorization.
30012424493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10111566.
The product of its (nonzero) digits is 20736, while the sum is 32.
Adding to 30012424493 its reverse (39442421003), we get a palindrome (69454845496).
The spelling of 30012424493 in words is "thirty billion, twelve million, four hundred twenty-four thousand, four hundred ninety-three".
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